User manual

IEC61131 User and Reference Manual
April 22, 2008
iii
protinfo ....................................................................................................................... 331
rxstring ....................................................................................................................... 333
setclock ...................................................................................................................... 334
setcom ....................................................................................................................... 335
sethart ........................................................................................................................ 338
setipi ........................................................................................................................... 340
setled ......................................................................................................................... 341
setmbip ...................................................................................................................... 342
setmtcp ...................................................................................................................... 344
setmtcpi ...................................................................................................................... 345
setmtpi2 ..................................................................................................................... 346
setpmode ................................................................................................................... 348
setprot ........................................................................................................................ 349
setprot2 ...................................................................................................................... 351
setregb ....................................................................................................................... 353
setregf ........................................................................................................................ 354
setregsl ...................................................................................................................... 355
setregss ..................................................................................................................... 356
setregus ..................................................................................................................... 357
setResp ...................................................................................................................... 358
setsf ........................................................................................................................... 359
setsfip ......................................................................................................................... 361
setsfip2 ....................................................................................................................... 364
sleep .......................................................................................................................... 367
toeeprom .................................................................................................................... 369
total ............................................................................................................................ 370
txstring ....................................................................................................................... 373
TELEBUS PROTOCOLS OVERVIEW ................................................................................ 374
Compatibility .................................................................................................................... 374
Serial Port Configuration ................................................................................................. 374
Communication Parameters ...................................................................................... 374
Protocol Parameters .................................................................................................. 379
I/O Database ................................................................................................................... 383
Accessing the I/O Database ...................................................................................... 383
Extended Station Addressing .......................................................................................... 387
Theory of Operation ................................................................................................... 387
Slave Mode ..................................................................................................................... 387
Broadcast Messages ................................................................................................. 388
Function Codes .......................................................................................................... 388
Modbus Master Mode ..................................................................................................... 398
Modbus Function Codes ............................................................................................ 398
Enron Modbus Master Mode ..................................................................................... 406
Sending Messages .................................................................................................... 408
Store and Forward Messaging ........................................................................................ 409
Translation Table ....................................................................................................... 409
Invalid Translations .................................................................................................... 411
Store and Forward Configuration ............................................................................... 411
Diagnostics Counters ................................................................................................. 423
Point–To–Point Protocol (PPP) ....................................................................................... 423
PPP Client Setup in Windows 2000 ........................................................................... 424